Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
Observing a slight rise in October, the average high-temperature in San Juan shifts from September's agreeable 20.5°C (68.9°F) to a moderately hot 23.8°C (74.8°F). In San Juan, the October nights descend to a significantly cooler average of 11.7°C (53.1°F) compared to daytime highs.Humidity
In October, the average relative humidity in San Juan is 37%.Rainfall
In San Juan, in October, during 3 rainfall days, 5mm (0.2") of precipitation is typically accumulated. Throughout the year, in San Juan, there are 50.2 rainfall days, and 94mm (3.7") of precipitation is accumulated.Snowfall
January through June, October through December are months without snowfall in San Juan.Daylight
In October, the average length of the day in San Juan is 12h and 53min.On the first day of October in San Juan, sunrise is at 07:10 and sunset at 19:36. On the last day of the month, sunrise is at 06:37 and sunset at 19:58 -03.
Sunshine
March through May and October, with an average of 9.7h of sunshine, are months with the least sunshine.UV index
In October, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The UV index of 5 in October translates into these instructions:
Take necessary precautions - Defending against sun damage is advocated. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in San Juan in October?
What is the average humidity in October in San Juan?
How much does it rain in San Juan in October?
When it does not snow in San Juan?
Does it snow in San Juan in October?
How many hours of daylight does San Juan have in October?
When is the sunrise / sunset in October in San Juan?
What are the months with the least sunshine in San Juan?
How many hours of sunshine does San Juan have in October?
How high is the UV index in October in San Juan?
Average temperature in October
San Juan, Argentina
- Average high temperature in October: 23.8°C
The warmest month (with the highest average high temperature) is January (30.6°C).
The month with the lowest average high temperature is July (14.6°C).
- Average low temperature in October: 11.7°C
The month with the highest average low temperature is January (19.4°C).
The coldest month (with the lowest average low temperature) is July (4.5°C).
Average pressure in October
San Juan, Argentina
- Average pressure in October: 1013.7mbar
The month with the highest atmospheric pressure is July (1018.1mbar).
The month with the lowest atmospheric pressure is December (1010.2mbar).
Average wind speed in October
San Juan, Argentina
- Average wind speed in October: 12.2km/h
The windiest months (with the highest average wind speed) are October and November (12.2km/h).
The calmest month (with the lowest average wind speed) is May (8.8km/h).
Average humidity in October
San Juan, Argentina
- Average humidity in October: 37%
The months with the highest relative humidity are April and May (52%).
The month with the lowest relative humidity is November (35%).
Average rainfall in October
San Juan, Argentina
- Average rainfall in October: 5mm
The wettest month (with the highest rainfall) is January (29mm).
The driest months (with the least rainfall) are June and July (1mm).
Average rainfall days in October
San Juan, Argentina
- Average rainfall days in October: 3 days
The month with the highest number of rainy days is January (9.2 days).
The month with the least rainy days is August (1.3 days).
Average snowfall in October
San Juan, Argentina
- Average snowfall in October: 0mm
The month with the highest snowfall is July (4mm).
The months with the least snowfall are January, February, March, April, May, June, October, November and December (0mm).
Average snowfall days in October
San Juan, Argentina
- Average snowfall days in October: 0 days
The months with the highest number of snowfall days are July and September (0.4 days).
The months with the least snowfall days are January, February, March, April, May, June, October, November and December (0 days).
Average daylight in October /
Average sunshine in October
San Juan, Argentina
- Average daylight in October: 12h and 5min
The month with the longest days is December (Average daylight: 14h and 12min).
The month with the shortest days is June (Average daylight: 10h and 6min).
- Average sunshine in October: 9h and 4min
The months with the most sunshine are August, September and November (Average sunshine: 9h and 54min).
The months with the least sunshine are March, April, May and October (Average sunshine: 9h and 42min).
Average sunshine days in October
San Juan, Argentina
- Average sunshine days in October: 25.2 days
The month with the most sunshine days is July (29.7 days).
The month with the least sunshine days is January (15.4 days).
Average UV index in October
San Juan, Argentina
- Average UV index in October: 5
The month with the highest UV index is January (UV index 7).
The months with the lowest UV index are May, June and July (UV index 3).
Average cloud cover in October
San Juan, Argentina
- Average cloud cover in October: 11
The months with the most cloud cover are March, April and May (Cloud cover 12).
The month with the least cloud cover is August (Cloud cover 8).
Average visibility in October
San Juan, Argentina
- Average visibility in October: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
San Juan, Argentina
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